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hdf5/test/tvlstr.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/***********************************************************
*
* Test program: tvlstr
*
* Test the Variable-Length String functionality
*
*************************************************************/
#include "testhdf5.h"
#define DATAFILE "tvlstr.h5"
#define DATAFILE2 "tvlstr2.h5"
/* 1-D dataset with fixed dimensions */
#define SPACE1_RANK 1
#define SPACE1_DIM1 4
#define VLSTR_TYPE "vl_string_type"
/* Definitions for the VL re-writing test */
#define REWRITE_NDATASETS 32
/* String for testing attributes */
static const char *string_att = "This is the string for the attribute";
static char *string_att_write=NULL;
void *test_vlstr_alloc_custom(size_t size, void *info);
void test_vlstr_free_custom(void *mem, void *info);
/****************************************************************
**
** test_vlstr_alloc_custom(): Test VL datatype custom memory
** allocation routines. This routine just uses malloc to
** allocate the memory and increments the amount of memory
** allocated.
**
****************************************************************/
void *test_vlstr_alloc_custom(size_t size, void *info)
{
void *ret_value=NULL; /* Pointer to return */
size_t *mem_used=(size_t *)info; /* Get the pointer to the memory used */
size_t extra; /* Extra space needed */
/*
* This weird contortion is required on the DEC Alpha to keep the
* alignment correct - QAK
*/
extra=MAX(sizeof(void *),sizeof(size_t));
if((ret_value=HDmalloc(extra+size))!=NULL) {
*(size_t *)ret_value=size;
*mem_used+=size;
} /* end if */
ret_value=((unsigned char *)ret_value)+extra;
return(ret_value);
}
/****************************************************************
**
** test_vlstr_free_custom(): Test VL datatype custom memory
** allocation routines. This routine just uses free to
** release the memory and decrements the amount of memory
** allocated.
**
****************************************************************/
void test_vlstr_free_custom(void *_mem, void *info)
{
unsigned char *mem;
size_t *mem_used=(size_t *)info; /* Get the pointer to the memory used */
size_t extra; /* Extra space needed */
/*
* This weird contortion is required on the DEC Alpha to keep the
* alignment correct - QAK
*/
extra=MAX(sizeof(void *),sizeof(size_t));
if(_mem!=NULL) {
mem=((unsigned char *)_mem)-extra;
*mem_used-=*(size_t *)mem;
HDfree(mem);
} /* end if */
}
/****************************************************************
**
** test_vlstrings_basic(): Test basic VL string code.
** Tests simple VL string I/O
**
****************************************************************/
static void
test_vlstrings_basic(void)
{
const char *wdata[SPACE1_DIM1]= {
"Four score and seven years ago our forefathers brought forth on this continent a new nation,",
"conceived in liberty and dedicated to the proposition that all men are created equal.",
"Now we are engaged in a great civil war,",
"testing whether that nation or any nation so conceived and so dedicated can long endure."
}; /* Information to write */
char *rdata[SPACE1_DIM1]; /* Information read in */
char *wdata2;
hid_t dataspace, dataset2;
hid_t fid1; /* HDF5 File IDs */
hid_t dataset; /* Dataset ID */
hid_t sid1; /* Dataspace ID */
hid_t tid1; /* Datatype ID */
hid_t xfer_pid; /* Dataset transfer property list ID */
hsize_t dims1[] = {SPACE1_DIM1};
hsize_t size; /* Number of bytes which will be used */
unsigned i; /* counting variable */
size_t str_used; /* String data in memory */
size_t mem_used=0; /* Memory used during allocation */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Basic VL String Functionality\n"));
/* Create file */
fid1 = H5Fcreate(DATAFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for datasets */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create a datatype to refer to */
tid1 = H5Tcopy(H5T_C_S1);
CHECK(tid1, FAIL, "H5Tcopy");
ret = H5Tset_size(tid1,H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
/* Create a dataset */
dataset = H5Dcreate2(fid1, "Dataset1", tid1, sid1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate2");
/* Write dataset to disk */
ret = H5Dwrite(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata);
CHECK(ret, FAIL, "H5Dwrite");
dataspace = H5Screate(H5S_SCALAR);
dataset2 = H5Dcreate2(fid1, "Dataset2", tid1, dataspace, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate2");
wdata2 = (char*)HDcalloc((size_t)65534, sizeof(char));
HDmemset(wdata2, 'A', (size_t)65533);
ret = H5Dwrite(dataset2, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, &wdata2);
CHECK(ret, FAIL, "H5Dwrite");
H5Sclose(dataspace);
H5Dclose(dataset2);
HDfree(wdata2);
/* Change to the custom memory allocation routines for reading VL string */
xfer_pid = H5Pcreate(H5P_DATASET_XFER);
CHECK(xfer_pid, FAIL, "H5Pcreate");
ret=H5Pset_vlen_mem_manager(xfer_pid,test_vlstr_alloc_custom,&mem_used,test_vlstr_free_custom,&mem_used);
CHECK(ret, FAIL, "H5Pset_vlen_mem_manager");
/* Make certain the correct amount of memory will be used */
ret=H5Dvlen_get_buf_size(dataset,tid1,sid1,&size);
CHECK(ret, FAIL, "H5Dvlen_get_buf_size");
/* Count the actual number of bytes used by the strings */
for(i=0,str_used=0; i<SPACE1_DIM1; i++)
str_used+=HDstrlen(wdata[i])+1;
/* Compare against the strings actually written */
VERIFY(size,(hsize_t)str_used,"H5Dvlen_get_buf_size");
/* Read dataset from disk */
ret = H5Dread(dataset, tid1, H5S_ALL, H5S_ALL, xfer_pid, rdata);
CHECK(ret, FAIL, "H5Dread");
/* Make certain the correct amount of memory has been used */
VERIFY(mem_used,str_used,"H5Dread");
/* Compare data read in */
for(i = 0; i < SPACE1_DIM1; i++) {
if(HDstrlen(wdata[i]) != HDstrlen(rdata[i])) {
TestErrPrintf("VL data length don't match!, strlen(wdata[%d])=%d, strlen(rdata[%d])=%d\n",(int)i,(int)strlen(wdata[i]),(int)i,(int)strlen(rdata[i]));
continue;
} /* end if */
if(HDstrcmp(wdata[i], rdata[i]) != 0 ) {
TestErrPrintf("VL data values don't match!, wdata[%d]=%s, rdata[%d]=%s\n",(int)i,wdata[i],(int)i,rdata[i]);
continue;
} /* end if */
} /* end for */
/* Reclaim the read VL data */
ret = H5Dvlen_reclaim(tid1,sid1,xfer_pid,rdata);
CHECK(ret, FAIL, "H5Dvlen_reclaim");
/* Make certain the VL memory has been freed */
VERIFY(mem_used,0,"H5Dvlen_reclaim");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close datatype */
ret = H5Tclose(tid1);
CHECK(ret, FAIL, "H5Tclose");
/* Close disk dataspace */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close dataset transfer property list */
ret = H5Pclose(xfer_pid);
CHECK(ret, FAIL, "H5Pclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
} /* end test_vlstrings_basic() */
/****************************************************************
**
** test_vlstrings_special(): Test VL string code for special
** string cases, nil and zero-sized.
**
****************************************************************/
static void
test_vlstrings_special(void)
{
const char *wdata[SPACE1_DIM1] = {"", "two", "three", "\0"};
const char *wdata2[SPACE1_DIM1] = {NULL, NULL, NULL, NULL};
char *rdata[SPACE1_DIM1]; /* Information read in */
char *fill; /* Fill value */
hid_t fid1; /* HDF5 File IDs */
hid_t dataset; /* Dataset ID */
hid_t sid1; /* Dataspace ID */
hid_t tid1; /* Datatype ID */
hid_t dcpl; /* Dataset creation property list ID */
hsize_t dims1[] = {SPACE1_DIM1};
unsigned i; /* counting variable */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Special VL Strings\n"));
/* Create file */
fid1 = H5Fcreate(DATAFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for datasets */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create a datatype to refer to */
tid1 = H5Tcopy(H5T_C_S1);
CHECK(tid1, FAIL, "H5Tcopy");
ret = H5Tset_size(tid1,H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
/* Create a dataset */
dataset = H5Dcreate2(fid1, "Dataset3", tid1, sid1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate2");
/* Read from dataset before writing data */
ret = H5Dread(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata);
CHECK(ret, FAIL, "H5Dread");
/* Check data read in */
for(i = 0; i < SPACE1_DIM1; i++)
if(rdata[i] != NULL)
TestErrPrintf("VL doesn't match!, rdata[%d]=%p\n",(int)i,rdata[i]);
/* Write dataset to disk */
ret = H5Dwrite(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata);
CHECK(ret, FAIL, "H5Dwrite");
/* Read dataset from disk */
ret = H5Dread(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata);
CHECK(ret, FAIL, "H5Dread");
/* Compare data read in */
for(i = 0; i < SPACE1_DIM1; i++) {
if(HDstrlen(wdata[i]) != HDstrlen(rdata[i])) {
TestErrPrintf("VL data length don't match!, strlen(wdata[%d])=%d, strlen(rdata[%d])=%d\n",(int)i,(int)strlen(wdata[i]),(int)i,(int)strlen(rdata[i]));
continue;
} /* end if */
if((wdata[i] == NULL && rdata[i] != NULL) || (rdata[i] == NULL && wdata[i] != NULL)) {
TestErrPrintf("VL data values don't match!\n");
continue;
} /* end if */
if(HDstrcmp(wdata[i], rdata[i]) != 0 ) {
TestErrPrintf("VL data values don't match!, wdata[%d]=%s, rdata[%d]=%s\n",(int)i,wdata[i],(int)i,rdata[i]);
continue;
} /* end if */
} /* end for */
/* Reclaim the read VL data */
ret = H5Dvlen_reclaim(tid1, sid1, H5P_DEFAULT, rdata);
CHECK(ret, FAIL, "H5Dvlen_reclaim");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Create another dataset to test nil strings */
dcpl = H5Pcreate(H5P_DATASET_CREATE);
CHECK(dcpl, FAIL, "H5Pcreate");
/* Set the fill value for the second dataset */
fill = NULL;
ret = H5Pset_fill_value(dcpl, tid1, &fill);
CHECK(ret, FAIL, "H5Pset_fill_value");
dataset = H5Dcreate2(fid1, "Dataset4", tid1, sid1, H5P_DEFAULT, dcpl, H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate2");
/* Close dataset creation property list */
ret = H5Pclose(dcpl);
CHECK(ret, FAIL, "H5Pclose");
/* Read from dataset before writing data */
ret = H5Dread(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata);
CHECK(ret, FAIL, "H5Dread");
/* Check data read in */
for(i = 0; i < SPACE1_DIM1; i++)
if(rdata[i] != NULL)
TestErrPrintf("VL doesn't match!, rdata[%d]=%p\n",(int)i,rdata[i]);
/* Try to write nil strings to disk. */
ret = H5Dwrite(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata2);
CHECK(ret, FAIL, "H5Dwrite");
/* Read nil strings back from disk */
ret = H5Dread(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata);
CHECK(ret, FAIL, "H5Dread");
/* Check data read in */
for(i = 0; i < SPACE1_DIM1; i++)
if(rdata[i] != NULL)
TestErrPrintf("VL doesn't match!, rdata[%d]=%p\n",(int)i,rdata[i]);
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close datatype */
ret = H5Tclose(tid1);
CHECK(ret, FAIL, "H5Tclose");
/* Close disk dataspace */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
}
/****************************************************************
**
** test_vlstring_type(): Test VL string type.
** Tests if VL string is treated as string.
**
****************************************************************/
static void test_vlstring_type(void)
{
hid_t fid; /* HDF5 File IDs */
hid_t tid_vlstr;
H5T_cset_t cset;
H5T_str_t pad;
htri_t vl_str; /* Whether string is VL */
herr_t ret;
/* Output message about test being performed */
MESSAGE(5, ("Testing VL String type\n"));
/* Open file */
fid = H5Fopen(DATAFILE, H5F_ACC_RDWR, H5P_DEFAULT);
CHECK(fid, FAIL, "H5Fopen");
/* Create a datatype to refer to */
tid_vlstr = H5Tcopy(H5T_C_S1);
CHECK(tid_vlstr, FAIL, "H5Tcopy");
/* Change padding and verify it */
ret = H5Tset_strpad(tid_vlstr, H5T_STR_NULLPAD);
CHECK(ret, FAIL, "H5Tset_strpad");
pad = H5Tget_strpad(tid_vlstr);
VERIFY(pad, H5T_STR_NULLPAD, "H5Tget_strpad");
/* Convert to variable-length string */
ret = H5Tset_size(tid_vlstr, H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
/* Check if datatype is VL string */
ret = H5Tget_class(tid_vlstr);
VERIFY(ret, H5T_STRING, "H5Tget_class");
ret = H5Tis_variable_str(tid_vlstr);
VERIFY(ret, TRUE, "H5Tis_variable_str");
/* Verify that the class detects as a string */
vl_str = H5Tdetect_class(tid_vlstr, H5T_STRING);
CHECK(vl_str, FAIL, "H5Tdetect_class");
VERIFY(vl_str, TRUE, "H5Tdetect_class");
/* Check default character set and padding */
cset = H5Tget_cset(tid_vlstr);
VERIFY(cset, H5T_CSET_ASCII, "H5Tget_cset");
pad = H5Tget_strpad(tid_vlstr);
VERIFY(pad, H5T_STR_NULLPAD, "H5Tget_strpad");
/* Commit variable-length string datatype to storage */
ret = H5Tcommit2(fid, VLSTR_TYPE, tid_vlstr, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Tcommit2");
/* Close datatype */
ret = H5Tclose(tid_vlstr);
CHECK(ret, FAIL, "H5Tclose");
tid_vlstr = H5Topen2(fid, VLSTR_TYPE, H5P_DEFAULT);
CHECK(tid_vlstr, FAIL, "H5Topen2");
ret = H5Tclose(tid_vlstr);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Fclose(fid);
CHECK(ret, FAIL, "H5Fclose");
fid = H5Fopen(DATAFILE, H5F_ACC_RDWR, H5P_DEFAULT);
CHECK(fid, FAIL, "H5Fopen");
/* Open the variable-length string datatype just created */
tid_vlstr = H5Topen2(fid, VLSTR_TYPE, H5P_DEFAULT);
CHECK(tid_vlstr, FAIL, "H5Topen2");
/* Verify character set and padding */
cset = H5Tget_cset(tid_vlstr);
VERIFY(cset, H5T_CSET_ASCII, "H5Tget_cset");
pad = H5Tget_strpad(tid_vlstr);
VERIFY(pad, H5T_STR_NULLPAD, "H5Tget_strpad");
/* Close datatype and file */
ret = H5Tclose(tid_vlstr);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Fclose(fid);
CHECK(ret, FAIL, "H5Fclose");
} /* end test_vlstring_type() */
/****************************************************************
**
** test_compact_vlstring(): Test code for storing VL strings in
** compact datasets.
**
****************************************************************/
static void
test_compact_vlstring(void)
{
const char *wdata[SPACE1_DIM1] = {"one", "two", "three", "four"};
char *rdata[SPACE1_DIM1]; /* Information read in */
hid_t fid1; /* HDF5 File IDs */
hid_t dataset; /* Dataset ID */
hid_t sid1; /* Dataspace ID */
hid_t tid1; /* Datatype ID */
hid_t plist; /* Dataset creation property list */
hsize_t dims1[] = {SPACE1_DIM1};
unsigned i; /* counting variable */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing VL Strings in compact dataset\n"));
/* Create file */
fid1 = H5Fcreate(DATAFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for datasets */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create a datatype to refer to */
tid1 = H5Tcopy (H5T_C_S1);
CHECK(tid1, FAIL, "H5Tcopy");
ret = H5Tset_size (tid1,H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
plist = H5Pcreate(H5P_DATASET_CREATE);
CHECK(plist, FAIL, "H5Pcreate");
ret = H5Pset_layout(plist, H5D_COMPACT);
CHECK(ret, FAIL, "H5Pset_layout");
/* Create a dataset */
dataset = H5Dcreate2(fid1, "Dataset5", tid1, sid1, H5P_DEFAULT, plist, H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate2");
/* Write dataset to disk */
ret = H5Dwrite(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata);
CHECK(ret, FAIL, "H5Dwrite");
/* Read dataset from disk */
ret = H5Dread(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata);
CHECK(ret, FAIL, "H5Dread");
/* Compare data read in */
for(i = 0; i < SPACE1_DIM1; i++) {
if(HDstrlen(wdata[i]) != HDstrlen(rdata[i])) {
TestErrPrintf("VL data length don't match!, strlen(wdata[%d])=%d, strlen(rdata[%d])=%d\n",(int)i,(int)strlen(wdata[i]),(int)i,(int)strlen(rdata[i]));
continue;
} /* end if */
if(HDstrcmp(wdata[i], rdata[i]) != 0) {
TestErrPrintf("VL data values don't match!, wdata[%d]=%s, rdata[%d]=%s\n",(int)i,wdata[i],(int)i,rdata[i]);
continue;
} /* end if */
} /* end for */
/* Reclaim the read VL data */
ret = H5Dvlen_reclaim(tid1, sid1, H5P_DEFAULT, rdata);
CHECK(ret, FAIL, "H5Dvlen_reclaim");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close datatype */
ret = H5Tclose(tid1);
CHECK(ret, FAIL, "H5Tclose");
/* Close disk dataspace */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close dataset create property list */
ret = H5Pclose(plist);
CHECK(ret, FAIL, "H5Pclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
} /*test_compact_vlstrings*/
/****************************************************************
**
** test_write_vl_string_attribute(): Test basic VL string code.
** Tests writing VL strings as attributes
**
****************************************************************/
static void test_write_vl_string_attribute(void)
{
hid_t file, root, dataspace, att;
hid_t type;
herr_t ret;
char *string_att_check = NULL;
/* Open the file */
file = H5Fopen(DATAFILE, H5F_ACC_RDWR, H5P_DEFAULT);
CHECK(file, FAIL, "H5Fopen");
/* Create a datatype to refer to. */
type = H5Tcopy (H5T_C_S1);
CHECK(type, FAIL, "H5Tcopy");
ret = H5Tset_size (type, H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
root = H5Gopen2(file, "/", H5P_DEFAULT);
CHECK(root, FAIL, "H5Gopen2");
dataspace = H5Screate(H5S_SCALAR);
CHECK(dataspace, FAIL, "H5Screate");
/* Test creating a "normal" sized string attribute */
att = H5Acreate2(root, "test_scalar", type, dataspace, H5P_DEFAULT, H5P_DEFAULT);
CHECK(att, FAIL, "H5Acreate2");
ret = H5Awrite(att, type, &string_att);
CHECK(ret, FAIL, "H5Awrite");
ret = H5Aread(att, type, &string_att_check);
CHECK(ret, FAIL, "H5Aread");
if(HDstrcmp(string_att_check,string_att) != 0)
TestErrPrintf("VL string attributes don't match!, string_att=%s, string_att_check=%s\n",string_att,string_att_check);
H5free_memory(string_att_check);
string_att_check = NULL;
ret = H5Aclose(att);
CHECK(ret, FAIL, "HAclose");
/* Test creating a "large" sized string attribute */
att = H5Acreate2(root, "test_scalar_large", type, dataspace, H5P_DEFAULT, H5P_DEFAULT);
CHECK(att, FAIL, "H5Acreate2");
string_att_write = (char*)HDcalloc((size_t)8192, sizeof(char));
HDmemset(string_att_write, 'A', (size_t)8191);
ret = H5Awrite(att, type, &string_att_write);
CHECK(ret, FAIL, "H5Awrite");
ret = H5Aread(att, type, &string_att_check);
CHECK(ret, FAIL, "H5Aread");
if(HDstrcmp(string_att_check,string_att_write) != 0)
TestErrPrintf("VL string attributes don't match!, string_att_write=%s, string_att_check=%s\n",string_att_write,string_att_check);
H5free_memory(string_att_check);
string_att_check = NULL;
/* The attribute string written is freed below, in the test_read_vl_string_attribute() test */
/* HDfree(string_att_write); */
ret = H5Aclose(att);
CHECK(ret, FAIL, "HAclose");
ret = H5Gclose(root);
CHECK(ret, FAIL, "H5Gclose");
ret = H5Tclose(type);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Sclose(dataspace);
CHECK(ret, FAIL, "H5Sclose");
ret = H5Fclose(file);
CHECK(ret, FAIL, "H5Fclose");
return;
}
/****************************************************************
**
** test_read_vl_string_attribute(): Test basic VL string code.
** Tests reading VL strings from attributes
**
****************************************************************/
static void test_read_vl_string_attribute(void)
{
hid_t file, root, att;
hid_t type;
herr_t ret;
char *string_att_check = NULL;
/* Open file */
file = H5Fopen(DATAFILE, H5F_ACC_RDONLY, H5P_DEFAULT);
CHECK(file, FAIL, "H5Fopen");
/* Create a datatype to refer to. */
type = H5Tcopy (H5T_C_S1);
CHECK(type, FAIL, "H5Tcopy");
ret = H5Tset_size (type, H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
root = H5Gopen2(file, "/", H5P_DEFAULT);
CHECK(root, FAIL, "H5Gopen2");
/* Test reading "normal" sized string attribute */
att = H5Aopen(root, "test_scalar", H5P_DEFAULT);
CHECK(att, FAIL, "H5Aopen");
ret = H5Aread(att, type, &string_att_check);
CHECK(ret, FAIL, "H5Aread");
if(HDstrcmp(string_att_check,string_att) != 0)
TestErrPrintf("VL string attributes don't match!, string_att=%s, string_att_check=%s\n",string_att,string_att_check);
H5free_memory(string_att_check);
string_att_check = NULL;
ret = H5Aclose(att);
CHECK(ret, FAIL, "HAclose");
/* Test reading "large" sized string attribute */
att = H5Aopen(root, "test_scalar_large", H5P_DEFAULT);
CHECK(att, FAIL, "H5Aopen");
if(string_att_write) {
ret = H5Aread(att, type, &string_att_check);
CHECK(ret, FAIL, "H5Aread");
if(HDstrcmp(string_att_check,string_att_write) != 0)
TestErrPrintf("VL string attributes don't match!, string_att_write=%s, string_att_check=%s\n",string_att_write,string_att_check);
H5free_memory(string_att_check);
string_att_check = NULL;
}
/* Free string allocated in test_write_vl_string_attribute */
if(string_att_write)
HDfree(string_att_write);
ret = H5Aclose(att);
CHECK(ret, FAIL, "HAclose");
ret = H5Tclose(type);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Gclose(root);
CHECK(ret, FAIL, "H5Gclose");
ret = H5Fclose(file);
CHECK(ret, FAIL, "H5Fclose");
return;
}
/* Helper routine for test_vl_rewrite() */
static void write_scalar_dset(hid_t file, hid_t type, hid_t space, char *name, char *data)
{
hid_t dset;
herr_t ret;
dset = H5Dcreate2(file, name, type, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dset, FAIL, "H5Dcreate2");
ret = H5Dwrite(dset, type, space, space, H5P_DEFAULT, &data);
CHECK(ret, FAIL, "H5Dwrite");
ret = H5Dclose(dset);
CHECK(ret, FAIL, "H5Dclose");
}
/* Helper routine for test_vl_rewrite() */
static void read_scalar_dset(hid_t file, hid_t type, hid_t space, char *name, char *data)
{
hid_t dset;
herr_t ret;
char *data_read;
dset = H5Dopen2(file, name, H5P_DEFAULT);
CHECK(dset, FAIL, "H5Dopen2");
ret = H5Dread(dset, type, space, space, H5P_DEFAULT, &data_read);
CHECK(ret, FAIL, "H5Dread");
ret = H5Dclose(dset);
CHECK(ret, FAIL, "H5Dclose");
if(HDstrcmp(data, data_read))
TestErrPrintf("Expected %s for dataset %s but read %s\n", data, name, data_read);
ret = H5Dvlen_reclaim(type, space, H5P_DEFAULT, &data_read);
CHECK(ret, FAIL, "H5Dvlen_reclaim");
}
/****************************************************************
**
** test_vl_rewrite(): Test basic VL string code.
** Tests I/O on VL strings when lots of objects in the file
** have been linked/unlinked.
**
****************************************************************/
static void test_vl_rewrite(void)
{
hid_t file1, file2; /* File IDs */
hid_t type; /* VL string datatype ID */
hid_t space; /* Scalar dataspace */
char name[256]; /* Buffer for names & data */
int i; /* Local index variable */
herr_t ret; /* Generic return value */
/* Create the VL string datatype */
type = H5Tcopy(H5T_C_S1);
CHECK(type, FAIL, "H5Tcopy");
ret = H5Tset_size(type, H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
/* Create the scalar dataspace */
space = H5Screate(H5S_SCALAR);
CHECK(space, FAIL, "H5Screate");
/* Open the files */
file1 = H5Fcreate(DATAFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(file1, FAIL, "H5Fcreate");
file2 = H5Fcreate(DATAFILE2, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(file1, FAIL, "H5Fcreate");
/* Create in file 1 */
for(i=0; i<REWRITE_NDATASETS; i++) {
sprintf(name, "/set_%d", i);
write_scalar_dset(file1, type, space, name, name);
}
/* Effectively copy data from file 1 to 2 */
for(i=0; i<REWRITE_NDATASETS; i++) {
sprintf(name, "/set_%d", i);
read_scalar_dset(file1, type, space, name, name);
write_scalar_dset(file2, type, space, name, name);
}
/* Read back from file 2 */
for(i = 0; i < REWRITE_NDATASETS; i++) {
sprintf(name, "/set_%d", i);
read_scalar_dset(file2, type, space, name, name);
} /* end for */
/* Remove from file 2. */
for(i = 0; i < REWRITE_NDATASETS; i++) {
sprintf(name, "/set_%d", i);
ret = H5Ldelete(file2, name, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Ldelete");
} /* end for */
/* Effectively copy from file 1 to file 2 */
for(i = 0; i < REWRITE_NDATASETS; i++) {
sprintf(name, "/set_%d", i);
read_scalar_dset(file1, type, space, name, name);
write_scalar_dset(file2, type, space, name, name);
} /* end for */
/* Close everything */
ret = H5Tclose(type);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Sclose(space);
CHECK(ret, FAIL, "H5Sclose");
ret = H5Fclose(file1);
CHECK(ret, FAIL, "H5Fclose");
ret = H5Fclose(file2);
CHECK(ret, FAIL, "H5Fclose");
return;
} /* end test_vl_rewrite() */
/****************************************************************
**
** test_vlstrings(): Main VL string testing routine.
**
****************************************************************/
void
test_vlstrings(void)
{
/* Output message about test being performed */
MESSAGE(5, ("Testing Variable-Length Strings\n"));
/* These tests use the same file */
/* Test basic VL string datatype */
test_vlstrings_basic();
test_vlstrings_special();
test_vlstring_type();
test_compact_vlstring();
/* Test using VL strings in attributes */
test_write_vl_string_attribute();
test_read_vl_string_attribute();
/* Test writing VL datasets in files with lots of unlinking */
test_vl_rewrite();
} /* test_vlstrings() */
/*-------------------------------------------------------------------------
* Function: cleanup_vlstrings
*
* Purpose: Cleanup temporary test files
*
* Return: none
*
* Programmer: Quincey Koziol
* September 10, 1999
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
cleanup_vlstrings(void)
{
HDremove(DATAFILE);
HDremove(DATAFILE2);
}
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